it's early monday morning now on the israel-gaza border. our david lee miller is there, david lee, any reduction in the rocket fire? >> reporter:-- we're having audio problems with david lee miller. as soon as we work out the technical difficulty of course we'll bring him back. we're been hearing a lot and you just heard me mention about the iron dome. and here is more on that. we've gathered key facts about the weapons system. interdesigned to intercept short ranging missile threat. an israeli company raphael advanced defense began developing iron dome nearly six years ago and the united states helped pay for it by providing 2.5 million dollars to buy additional iron dome systems parts. and now, we've been able to work out that technical problem with david lee miller. let's go back out, again, i mentioned it's early monday morning. well, we're going to go back and forth. it's very he difficult when you're in that kind of a zone there, it's early, it's dark, and we're trying to work through the technical difficulties there. but we've had to